Thanks for the answer. I want to accept it because you're right. But with the specific case of comments of images it's not working. If I have a comment on a picture It just looks like the <id of the picture>_<id of the comment> in the returned json, and a request to it's likes doesn't work. I tried to add my id like this <my ID>_<id of the picture>_<id of the comment> but it returns nothing. I'm afraid this is a limitation of the API. Thanks for you answer anyway.
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adrian CoyeJul 1 '11 at 0:05